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Erschienen in:
2013 | OriginalPaper | Buchkapitel
Fatigue Behavior of Aluminum Alloys Requested by a Simple Overload: Environment Influence
verfasst von : Mohamed Mazari, Wahiba Bendaho, Chahinez Gafour, Mohamed Benguediab, Nara Ranganathan
Erschienen in: Design and Modeling of Mechanical Systems
Verlag: Springer Berlin Heidelberg
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In this study we were interested in the behavior of two aluminum alloys (2024 T351 and 7075 T7351) requested by a simple overload with an aim of determining the number of cycles of delay of each one and of comparing their behavior various environments (air and vacuum).For that, we carried out fatigue tests stopped by a simple overload with a rate of overload
τ
= 2 and reports/ratios of loads R=0,1 and R=0,5.The results obtained show that the number of cycles of delay of alloy 2024 T351 is higher than that of the alloy 7075 T7351 and that the number of cycles of delay is more significant in the vacuum than with the air for two materials.This observation will lead us to make a judicious choice as for the industrial use (aeronautical) of two materials.